Estuaire de la Loire
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2014
218 km²
Commune · FRA
Nantes
France
CfbTemperate, no dry season, warm summer(100 %)
Species observed
4 017
Observations
114 369
Area
66,6km²
Ecological tissue
Sample of 37 species (selected proportionally per kingdom among those with at least one documented interaction here) to keep the graph readable. Hover for details, click to explore the full ecosystem of a species.
ℹ️ The territory contains many more species than displayed and all their documented interactions: the graph is intentionally the structural skeleton (top-N species by composite local score, edges filtered by Serrano 2009 disparity filter α=0.2).
RègnesAnimalPlanteChampignonBacterie
RelationsPredationParasitismeSymbiosePollinisation
StatutEn dangerVulnérableProtégéeEndémique
Indicateurs du tissu écologique
Tissu écologique de Nantes : 30 espèces + 7 bulles famille, 98 interactions GloBI documentées sur 5 types (connectance 14.7%, filtre Serrano α=0.2). Les 7 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).
Espèces affichées
37
Interactions affichées
98
Connectance
0.147
Patrimoniales
0
Plus dense que (national)0 %(top 100%)
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
4 017 distinct species · 114 369 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
12,1°C
Annual rain
855mm
Warmest m°
23,6°C
Coldest m°
2,8°C
Elevation: 19 m on average (min 3 m, max 49 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
12,1°C
Annual rain
855mm
Warmest month
23,6°C
Coldest month
2,8°C
Mean alt.
19m
Min
3m
Max
49m
Std. dev.
10m
Köppen-Geiger (dominant)
CfbTemperate, no dry season, warm summer(100 %)Temperate
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
5,9
Org. C
36,9g/kg
Clay
18,1%
Sand
37,7%
Silt
44,3%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: ssGLiMaggregated to Loire-Atlantique
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
5,9
Org. C
61,5g/kg
Clay
17,9%
Sand
38,6%
Silt
43,6%
5–15 cm
pH H₂O
6,0
Org. C
28,9g/kg
Clay
18,1%
Sand
37,4%
Silt
44,5%
15–30 cm
pH H₂O
5,9
Org. C
20,5g/kg
Clay
18,2%
Sand
37,1%
Silt
44,8%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest8.2%
Crops3.3%
Built-up15.3%
Bare soil0.3%
Other (grassland, water…)73.0%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology5 basins · 1 lakes · 12 rivers
Hydrology metrics for this exact territory
Stream length here
34,0km
Lake surface here
0,79km²
Basins crossed
5
Max stream order
7
Max drainage
115 298km²
Discharge in basins
386,6m³/s
Mean precip.
751mm/an
Mean T°
11,4°C
Moisture idx
-0,09
Max snow
5%
Mean runoff
434mm/an
Mean elev. (basins)
47m
Watersheds crossing here
Lakes (1, top by area)
Rivers / streams (12, ord ≥ 4)
- L'Erdreord 3len here8.87 km14%total65 km
- Le Boireauord 7len here4.19 km71%total6 km
- La Sèvre Nantaiseord 7len here3.97 km3%total133 km
- La Chézineord 1len here3.78 km31%total12 km
- La Jaguèreord 7len here3.41 km92%total4 km
- Le Gesvresord 3len here2.85 km13%total23 km
- Le Censord 2len here2.56 km8%total33 km
- Ruisseau de l'Aubinièreord 1len here1.30 km26%total5 km
- La Loire - Bras de Pirmilord 3len here1.02 km100%total1 km
- Ruisseau de Bougonord 1len here0.79 km21%total4 km
- Ruisseau de l'Étang Hervéord 3len here0.63 km14%total4 km
- La Loireord 7len here0.61 km0%total974 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
26hab/km²
Night light
23,9nW
Built-up
1 524,5%
Pesticides
44,2kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas7
IUCN Not Reported · 5IUCN IV · 2🌊 Marine · 2
Estuaire de la Loire
IUCN Not ReportedSpecial Protection Area (Birds Directive) · 2018
202 km²
Vallée de la Loire de Nantes aux Ponts-de-Cé et ses annexes
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2015
165 km²
Vallée de la Loire de Nantes aux Ponts-de-Cé et ses annexes
IUCN Not ReportedSpecial Protection Area (Birds Directive) · 2019
157 km²
Noctule commune à Nantes, à Rezé et à Vertou
IUCN IVBiotope Protection Order · 2024
0 km²
La carrière de Misery
IUCN Not ReportedGeotope Protection Order · 2020
0 km²
Complete list7 protected areas
- Estuaire de la LoireSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported2014218 km²
- Estuaire de la LoireSpecial Protection Area (Birds Directive)IUCN Not Reported2018202 km²
- Vallée de la Loire de Nantes aux Ponts-de-Cé et ses annexesSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported2015165 km²
- Vallée de la Loire de Nantes aux Ponts-de-Cé et ses annexesSpecial Protection Area (Birds Directive)IUCN Not Reported2019157 km²
- Noctule commune à Nantes, à Rezé et à VertouBiotope Protection OrderIUCN IV20240 km²
- La carrière de MiseryGeotope Protection OrderIUCN Not Reported20200 km²
- La carrière de MiseryGeotope Protection OrderIUCN IV20200 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN
France-specific data (Phase 2)
ZNIEFF, Natura 2000, INPN protected spaces, BNV-D pesticides, Naïades water quality, SAFRAN fine climate, BRGM lithology — Layer FR to load in Phase 2.